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Finding the Fourth Proportional to 1,852.32, 2,776.04 and 756.08

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Solution

The fourth proportional to 1,852.32, 2,776.04 and 756.08 is: 1,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.32 : 2,776.04 = 756.08 : x
  2. Step 2: Convert to fraction form
    1,852.32/2,776.04 = 756.08/x
  3. Step 3: Cross multiply
    1,852.32x = 2,776.04 × 756.08
  4. Step 4: Simplify right side
    1,852.32x = 2,098,908.32
  5. Step 5: Solve for x
    x = 2,098,908.32/1,852.32
  6. Step 6: Final answer
    x = 1,133.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.